aroma.affymetrix (version 3.2.2)

extractMatrix.AffymetrixCelSet: Extract data as a matrix for a set of arrays

Description

Extract data as a matrix for a set of arrays.

Usage

# S3 method for AffymetrixCelSet
extractMatrix(this, cells=NULL, ..., field=c("intensities", "stdvs", "pixels"),
  drop=FALSE, verbose=FALSE)

Value

Returns an JxK double

matrix where J is the number of units, and K is the number of arrays. The names of the columns are the names of the arrays. No names are set for the rows. The rows are ordered according to cells argument.

Arguments

cells

(The subset of cells to be matched. If NULL, all cells are considered.

...

Not used.

field

The field to be extracted.

drop

If TRUE, singleton dimensions are dropped.

verbose

See Verbose.

Author

Henrik Bengtsson, Mark Robinson

See Also

For more information see AffymetrixCelSet.